Groups > comp.lang.java.programmer > #3355

Re: A question about synchronized threads

Path	csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.albasani.net!.POSTED!not-for-mail
From	Lew <noone@lewscanon.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: A question about synchronized threads
Date	Fri, 29 Apr 2011 11:53:25 -0400
Organization	albasani.net
Lines	30
Message-ID	<ipemsm$7nc$1@news.albasani.net> (permalink)
References	<3f249d87-aaf8-4732-9ee8-fd112cf82553@f31g2000pri.googlegroups.com>
Mime-Version	1.0
Content-Type	text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding	7bit
X-Trace	news.albasani.net eH/G7pvpn9fk2djeD20jkvO09c9+dIgFCLNTqtMmpC8vEWbyAMdv2gGx3CKFq9B67LW7ZCzTD2HAbDFu/Jz/SQ==
NNTP-Posting-Date	Fri, 29 Apr 2011 15:52:54 +0000 (UTC)
Injection-Info	news.albasani.net; logging-data="PUd3k37Gr+w6pxSviujoYb2HLt9C42M3F5tx3zZk8noxgiKXS1Dz4vW3Qh5LbsR+j4WJDLXEjVjf7CBZvOrDal0k/FVsV6dDxXJd2IiIC26p4JDWusZXqdOOwkHTGrDF"; mail-complaints-to="abuse@albasani.net"
User-Agent	Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Thunderbird/3.1.8
In-Reply-To	<3f249d87-aaf8-4732-9ee8-fd112cf82553@f31g2000pri.googlegroups.com>
Cancel-Lock	sha1:+GLkZLFPr702W58FN5XhLVigfFM=
Xref	x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:3355

Show key headers only | View raw

On 04/29/2011 11:35 AM, byhesed wrote:
> public class A {
>      synchronized void m1() { ... }
>      synchronized void m2() { ... }
>      void m3() { ... }
> }
>
> The book explains above code:
>
>      Given an instance a of class A, when one thread is executing
> a.m1(),
>      another thread will be prohibited from executing a.m1() or a.m2().
>
> I have a question.
>
> The explanation means than when one thread is executing m1() method,
> No other threads can execute m1() or m2() thread.

For that particular instance, yes.

> Is it correct? If it is correct, how can I handle it better?
> I think it is too ineffectual. Does anybody know?

What do you mean by "better"?  What precisely is not the way you want it? 
What is your standard of effectuality?

-- 
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

A question about synchronized threads byhesed <byhesed@gmail.com> - 2011-04-29 08:35 -0700
  Re: A question about synchronized threads Lew <noone@lewscanon.com> - 2011-04-29 11:53 -0400
    Re: A question about synchronized threads byhesed <byhesed@gmail.com> - 2011-04-29 09:12 -0700
      Re: A question about synchronized threads Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-04-29 21:01 -0400
        Re: A question about synchronized threads byhesed <byhesed@gmail.com> - 2011-04-29 18:43 -0700
  Re: A question about synchronized threads Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-04-29 17:58 +0200
    Re: A question about synchronized threads byhesed <byhesed@gmail.com> - 2011-04-29 09:09 -0700
      Re: A question about synchronized threads markspace <-@.> - 2011-04-29 11:11 -0700
        Re: A question about synchronized threads Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-04-29 20:19 +0200
          Re: A question about synchronized threads markspace <-@.> - 2011-04-29 15:21 -0700
          Re: A question about synchronized threads Patricia Shanahan <pats@acm.org> - 2011-04-29 21:10 -0700
  Re: A question about synchronized threads dagon@dagon.net (Dagon) - 2011-04-29 15:55 -0700
    Re: A question about synchronized threads Alice <quaxx1108@example.com> - 2011-04-29 20:08 -0400
    Re: A question about synchronized threads markspace <-@.> - 2011-04-29 19:07 -0700
    Re: A question about synchronized threads byhesed <byhesed@gmail.com> - 2011-04-29 18:49 -0700
      Re: A question about synchronized threads Lew <noone@lewscanon.com> - 2011-05-03 18:57 -0400
        Re: A question about synchronized threads Deeyana <d.awlberg@hotmail.invalid> - 2011-05-04 00:17 +0000
          Re: A question about synchronized threads Lew <noone@lewscanon.com> - 2011-05-04 12:45 -0400
            Re: A question about synchronized threads Deeyana <d.awlberg@hotmail.invalid> - 2011-05-04 19:59 +0000

csiph-web